---
title: extent
framework: coreimage
role: symbol
role_heading: Instance Property
path: coreimage/cisampler/extent
---

# extent

The rectangle that specifies the extent of the sampler

## Declaration

```swift
var extent: CGRect { get }
```

## Discussion

Discussion Extent is the rectangle that specifies the area outside which the wrap mode set for the sampler is invoked.

## See Also

### Getting Information About the Sampler Object

- [definition](coreimage/cisampler/definition.md)